Sigma 10-20mm f/4-5.6D EX DC Lens for Sony A

Inspiring, efficient, and wide Sigma 10-20mm f/4-5.6 EX DC is designed for various photography needs including wedding, events, portraits, and landscape. The Sigma 10-20mm has an ultra wide-angle with an angle of view up to 102° and a minimal focusing distance of 9.4" at either focal lengths promising creative potential.  Introduced February 2005, Sigma 10-20mm f/4-5.6 EX DC lens offers APS-C extremely wide zoom sector. DC imprinted on the lens indicates this lens is designed for DSLRs with APS-C or smaller sensors and is not suitable for full frame body.  It also integrates the internal focusing system technology to prevent the lens from extending on its own. Sigma 10-20mm has 14 elements in 10 groups, including three SLD glass elements for minimal chromatic aberrations, and three aspherical elements to minimize distortion and other aberrations.